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A Streaming Media JukeBox, Part IV: F-W Properties

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F-R Section

The table below shows the control's properties that begins with the letters F through R. Let's demonstrate one of these properties. You can use the property playCount to determine or set the number of times to play the media. Let's take the jukebox from Column 53 and have it play every title a different number of times, equal to its relative position in the pull-down menu (beginning with one). We took the jukebox code from Column 53 and modify it. First, we added a generic setPlayCount() function that handles both browsers:

function setPlayCount(count) {
  if (activeX)
    document.mediaPlayer.playCount = count
  else
    document.mediaPlayer.SetPlayCount(count);
}

Then we modified the change() function to set the number of times the media is played:

function change() {
  var list = document.playerCtrl.streams;
  var streamURL = list.options[list.selectedIndex].value;
  document.mediaPlayer.Stop();
  document.displayMode.playOrPause.value = " Pause ";
  setFileName(streamURL);
  setPlayCount(list.selectedIndex + 1);
}

Notice the last line in the function above. It calls the generic setPlayCount() function with the relative position of the title in the pull-down list. You can now enjoy the show and play with the new version of the jukebox. The first title will play one time, the second title will play twice, and so on. Be patient between successive replays. It takes time to start buffering the media stream from the beginning. Here are the rest of the F-R properties:

PropertyFileName
ActiveXFileName=String
a=FileName
PluginSetFileName(String)
a=GetFileName()
DescriptionReturns or sets the streaming media file name.
PropertyImageSourceHeight
ActiveXa=ImageSourceHeight
Plugina=GetImageSourceHeight()
DescriptionReturns the height of the authored image. Read-only.
PropertyImageSourceWidth
ActiveXa=ImageSourceWidth
Plugina=GetImageSourceWidth()
DescriptionReturns the width of the authored image. Read-only.
PropertyInvokeURLs
ActiveXInvokeURLs=true/false
a=InvokeURLs
PluginSetInvokeURLs(true/false)
a=GetInvokeURLs()
DescriptionReturns or sets whether the control can invoke URLs after its initial loading.
PropertyLanguage
ActiveXa=Language
Plugina=GetLanguage()
DescriptionReturns whether the control can be manipulated by JavaScript. Read-only.
PropertyMute
ActiveXa=Mute
Plugina=GetMute()
DescriptionReturns whether the control is in Mute state. Read-only.
PropertyPlayCount
ActiveXPlayCount=Integer
a=PlayCount
PluginSetPlayCount(Integer)
a=GetPlayCount()
DescriptionReturns or sets the number of times to play the media.
PropertyPreviewMode
ActiveXPreviewMode=true/false
a=PreviewMode
PluginSetPreviewMode(true/false)
a=GetPreviewMode()
DescriptionReturns or sets whether to stream
the media in a preview mode.
PropertyRate
ActiveXRate=Double
a=Rate
PluginSetRate(Double)
a=GetRate()
DescriptionReturns or sets the playback speed multiplier with respect to the authored rate. Recommended range is between 0.5 and 1.5. The default Rate factor is 1.0.

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Produced by Yehuda Shiran and Tomer Shiran

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Created: December 20, 1999
Revised: December 20, 1999

URL: http://www.webreference.com/js/column54/properties1.html